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Petrol in Diesel

0333 366 0103

Don't Start It: AdBlue in a Diesel Tank in Great Preston

With AdBlue in your diesel tank, your ignition remains off and so does the motor. Urea mixed in water is all AdBlue is. It does not burn, it doesn't mix with diesel, and the harm it does starts when the system pulls it in. If your engine hasn't run yet, AdBlue in a diesel tank is usually emptied and carefully flushed where the vehicle sits in Great Preston. No step comes before calling 0333 366 0103.

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Those opening minutes: AdBlue in your diesel tank around Great Preston

Do these:

  • So no one can switch your ignition on, take your keys out.
  • Near moving traffic? Then put the hazards on.
  • The empty bottle or the receipt tells us the fluid and the amount, and so don't throw it out.
  • Tell us a postcode starting LS26 8, or whatever street lies nearest, and our van finds you directly — so ring from wherever you stand.

Do not:

  • Moving your vehicle just a few yards is no reason to start your engine.
  • Switching your key to ignition alone starts your pump running on many diesels. Skip it.
  • Don't top up with diesel to thin it. AdBlue doesn't dilute in diesel; it separates out.
  • Do not drive the car anywhere, not even a short stretch along Berry Lane.
  • Draining the tank yourself beside the road is not worth trying.

The attendants working at any Great Preston forecourt — the Oakdale Garage included — will normally lend a hand pushing it clear if you ask. Parked on your own driveway? Then it remains just as it is.

AdBlue in a diesel tank, and what it does there

AdBlue is made for your exhaust, not your motor. Stored in a separate tank, it's injected into the exhaust stream to treat the fumes. Nothing in it is meant to pass through a fuel pump, and nothing in a fuel pump is designed to handle it.

Tipped in with your diesel, it keeps separate instead of blending — quite unlike fuel. It's heavier than diesel, so it sinks and gathers at the bottom of that tank, which is where the pickup sucks fuel from. The first thing your fuel system pulls through, once it runs, is the AdBlue. So a motor that had AdBlue poured in on a drive in Moor Gate last night, and hasn't been started since, is still the straightforward case: the AdBlue is lying at the bottom of that tank, and nothing has sucked it in.

Two kinds of harm follow from there. It attacks some metals found in fuel systems, working on any part it reaches till it's cleared completely. And when the water goes, the urea turns into crystals that clog filters and lodge in tiny channels. Overnight, a vehicle sitting in Great Preston with AdBlue in its lines gets worse; if it's just in your tank, nothing changes. The water in it does damage of its own: your high-pressure pump and your injectors depend on diesel to lubricate them, and water offers them nothing.

Draining AdBlue from a diesel tank in Great Preston

Why AdBlue in a diesel is often more significant than petrol

Fill a diesel with petrol in error at the Esso, and the issue is diluted fuel. No damage is done while it stays put, mixed into your diesel — only when your motor runs on it.

The trouble with AdBlue in a diesel is a totally unsuitable substance. Not burning, it can't just be run through. Nor can it be thinned, because it splits back out — and the next tankful won't clear away deposits or corrosion. So the flush counts for more with AdBlue, and trying your engine "to see", in the centre of Great Preston or out in Mount Pleasant, costs more than almost any other slip.

The good news is the same as with petrol. Wherever around West Yorkshire your car has stopped, an unstarted engine means the AdBlue yet inside the reservoir: the simplest part of any fuel system to clear.

How does AdBlue end up in a diesel tank in Great Preston?

In dim light, two caps side by side — the AdBlue cap and the diesel cap, occasionally behind one flap — may look the same. Nobody intends it; plenty of layouts allow it. It mostly takes place at home, from a bottle bought en route home, rather than at the forecourt.

It tends to take place in a few familiar ways. The refill is hurried outside Great Preston VC CofE Primary School, after the dash lit up with a warning while the kids were dropped in. Near Preston Lane, someone tips a bottle in at home in the evening. Another version: darkness, a pub car park outside The New Inn, and someone using that flap the first time.

The least known vehicles get it the most — rentals, new ones, fleet cars, and the spare vehicle of a home with one of each fuel types. An identical slip, an identical first step — leave it switched off — anywhere you are around Great Preston or the rest of West Yorkshire.

Started your engine with AdBlue in your diesel tank in Great Preston?

If so, the AdBlue is no longer in the tank. Given any running time, it goes on to the injection pump and every injector, having passed via the fuel filter and lines.

Expect rough running, smoke, lost power, lights on the dash, or a cut-out — coming back from Peasecroft Wood, say, or part way across Great Preston. Stop when safe. Switch off. Leave the car off instead of testing it again. With each start, more of that is pulled through.

On the M1, under 3 miles from Great Preston, the next junction is where to leave, and somewhere safe is where to stop — not carrying on.

How far it went counts. A few hundred yards across Great Preston to the car park by Great & Little Preston Village Hall is a very different job from a run towards Wakefield, under 10 miles away, with the AdBlue reaching further into your system with each mile. Roughly how far had it come? Tell us.

We do all of the cleaning where your car has ended up, and once your engine has been run there is more of it. When it is spotted early, permanent damage is very uncommon.

Great Preston: how AdBlue is drained from a diesel

Anywhere it has stopped around Great Preston — a forecourt, a lay-by, a driveway, a street beside BE1150 Dragline — our van travels to the car. The job rests on three answers, and we ask for first — what went in, the quantity, and whether the engine has turned over.

Next, emptying the tank right there removes the contaminated diesel and the AdBlue in one go. The system is purged thoroughly, which matters more with AdBlue than with petrol, since what it leaves behind doesn't rinse out on its own. After that, the filter: flushed, or replaced when it must be. After that fresh diesel, then a test of the vehicle. About half an hour on site is usual for most jobs where your motor has not run. Explosion-proof pumps mean a live forecourt safe to work on, and they're quiet enough not to disturb the neighbours at night.

The last step is to bleed your system on fresh diesel. Then we fire it up and you drive off, whether from a parking space outside Woodlesford or a drive in Great Preston. Our engineers confirm it runs properly on fresh diesel before we leave. Since the job is done in its entirety where the car is, a garage never comes into it. The insurer will want an engineer's report and your VAT invoice — each handed over afterwards.

About Great Preston and where it is

Great Preston is a village in West Yorkshire, situated on the riverside at an elevation of 62 metres, with semi-detached housing being the predominant type of accommodation. Great Preston lies approximately 6.9 miles from Wakefield and 164.5 miles from London, making it a relatively small community in the region. Great Preston is surrounded by nearby places such as Woodend, Little Preston, and Kippax, and has a population of around 829 residents. Great Preston benefits from its location in the Yorkshire and the Humber region, with its riverside setting providing a unique character to the village.

Great Preston and West Yorkshire: AdBlue drains across the area

Woodend, Little Preston and Kippax are among the places around Great Preston that the same teams serve, along with much of West Yorkshire further out, over the LS postcode area. If you are close to a boundary, or somewhere hard to explain, ring and ask rather than assuming.

Wherever your car sits — your drive at home, a residential street, a parking area, a filling station — our technicians drain it on the spot, with no need to take it to us; which suits Great Preston, a village, well.

Great Preston: what AdBlue in a diesel tank costs to fix

Because the jobs vary, a single figure wouldn't be fair. Whether your engine has run, and for how long, comes first in what shifts the price. How much AdBlue got in comes next, and then the location of the vehicle, since an open drive is easier for our van to reach safely than a tight gap behind Kippax Leisure Centre.

That is why each call from Great Preston starts with the same three questions, asked before giving a figure, not after: what got in, how much, and whether it's run. Once they are known, a range turns into one firm number.

Our price is given on the call, before anyone leaves; payment happens on the day, by card or over the phone, and nothing upfront. While the van is travelling, dig out your policy: plenty cover misfuelling.

Alongside your car in Great Preston, still?

Then the most helpful thing you can do is nothing to the car. Ignition off, motor off, keys out. Petrol in Diesel handles the rest, across Great Preston or anywhere within West Yorkshire, after you call 0333 366 0103 to say it's AdBlue, about how big an amount, and whether it ran.

Call 0333 366 0103